The hypoallergenic glass is nonporous and body safe, and when cared for properly, is designed to last a lifetime. Since glass is nonporous, cleanup is a snap. Amazing for temperature play, sleek and super smooth, unique and hand crafted. Glass plug features a tapered head for easy insertion. The middle shaft has many blue pleasure dots. The end has a crank for easy use stimulation and flared base for bodily safety. Insertable length 3.9 inches, width 1.5 inches.